The Cisco® Aironet® 1250 Series is the first enterprise-class access point to support the IEEE 802.11n draft 2.0 standard. 802.11n offers combined data rates of up to 600 Mbps to provide users with mobile access to high-bandwidth data, voice, and video applications regardless of their location. Through the use of multiple-input multiple-output (MIMO) technology, 802.11n also provides reliable and predictable WLAN coverage to improve the end-user experience for both existing 802.11a/b/g clients and new 802.11n clients.
The robust Cisco Aironet® 1250 Series Access Point (Figure 1) is a modular platform designed to be easily field-upgradeable to support a variety of wireless capabilities. This modularity allows businesses to deploy existing wireless technologies today with the confidence that their network investment will extend to support emerging and future wireless technologies.
The platform was specifically engineered to support the power, throughput, and mechanical requirements of higher-speed WLAN technologies, including 802.11n. Currently, the platform provides both 2.4-GHz and 5-GHz modules compliant with the IEEE 802.11n draft 2.0 standard. As technology evolves, the platform is flexible to support future radio modules designed to deliver intelligent RF services, further enhancing the performance and reliability of the wireless network. The Cisco Aironet 1250 Series is a rugged indoor access point designed for both office and challenging RF environments such as factories, warehouses, hospitals and large retail establishments that require the antenna versatility associated with connectorized antennas, a rugged metal enclosure, and a broad operating temperature range. With a Gigabit Ethernet (10/100/1000) interface, the Cisco Aironet 1250 Series delivers line-rate throughput for higher-speed WLAN technologies such as 802.11n. The access point offers the flexibility of inline as well as local power options.
Figure 1. The Cisco Aironet 1250 Series Access Point

Investment Protection
Award-Winning Security
RF Management
Deployment Scenarios
• Challenging RF environments (for example, manufacturing plants, warehouses, clinical environments)
• Bandwidth-intensive applications (for example, digital imaging, file transfers, network backup)
• Real-time, latency-sensitive applications including voice and video
• Environments that need to support existing 802.11a/b/g and new 802.11n wireless clients
Features and Benefits
Table 1. Features and Benefits of Cisco Aironet 1250 Series Access Points
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Feature |
Benefit |
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Data Rates of up to 300 Mbps per Radio, 600 Mbps per Access Point |
The 802.11n draft 2.0 standard provides capabilities such as 40-MHz channels, packet aggregation, and block acknowledgement which significantly increase the amount of bandwidth available for user applications. With support for physical layer (PHY) data rates up to 300 Mbps per radio, this represents a greater than five-fold increase over the performance of 802.11a/g networks. |
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Enhanced Reliability and Predictability |
MIMO technology, with its multiple antennas and advanced signal processing, improves coverage, reduces dead spots, and augments overall client throughput. MIMO also enables higher data rates by transmitting multiple spatial streams across the unique paths formed between devices. Enhanced reliability and throughput provides a better overall end-user experience for users relying on the wireless network for business functions. |
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Powerful Platform |
Engineered to support the power, thermal dissipation, memory, CPU, and Gigabit Ethernet transmission requirements of 802.11n and future wireless technologies. |
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Modular Field-Upgradeable Design with Easy-to-Install Modules |
Investment protection through field-upgradeable radios. As technology evolves, radio modules can be replaced in the field with new radio modules, preserving the investment in the access point chassis and avoiding the expense of installing a new access point. |
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2.4-GHz and 5-GHz Radio Modules |
Dual radios allow simultaneous operation of 2.4-GHz and 5-GHz wireless networks, offering the greatest number of available channels and therefore the greatest system capacity and scalability. |
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Both Inline and Local Powering Options |
To realize optimal performance, the access point supports both inline power delivered over a single Ethernet cable and local power options. |
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Extensive Interoperability |
The Aironet 1250 Series Access Point has undergone extensive interoperability testing to ensure simple, secure interoperability with other 802.11 devices. It is the first Wi-Fi CERTIFIED 802.11n draft 2.0 access point, has earned the Intel Connect with Centrino certification, and has undergone extensive testing in 802.11n plug fests. |
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Backward Compatibility with Existing 802.11a/b/g Clients |
Protects existing 802.11a/b/g investments and provides an easy migration to 802.11n. |
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Integrated RF Management Capabilities |
Integrated RF management capabilities address the operational challenges of deploying business wireless networks. These capabilities include Radio Resource Management, MIMO, superior DFS support, SDR certification, and spectrum intelligence integration into WCS. Integrated RF management capabilities increase system capacity, improve system performance, perform automated self-healing to compensate for RF dead zones and access point failures, and provide a comprehensive way to manage one of your most precious assets, your corporate spectrum. |
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Supports up to 24 non-Overlapping Channels1 |
Provides lower potential interference with neighboring access points, which simplifies deployment and reduces co-channel interference for fewer transmission errors and greater throughput. More channels also means that more of the high- throughput, 40-MHz channels introduced in the 802.11n draft 2.0 standard are supported. |
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External RP-TNC Antenna Connectors for Both 2.4-GHz and 5-GHz Radios |
Antenna connectors support a variety of Cisco 2.4-GHz and 5-GHz antennas, providing range and coverage versatility. |
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Cisco Unified IDS/IPS |
An integral part of the Cisco Secure Wireless Solution, the industry's first integrated wired and wireless security solution, the access point can monitor the RF environment to detect and locate unauthorized wireless activity, including rogue access points and RF denial of service attacks. |
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Management Frame Protection |
Management frame protection encrypts the management header of the 802.11 packet and enables the access point to detect spoofed frames from malicious users impersonating infrastructure access points. If an access point detects a malicious attack, an alert will be generated and reported back to the network administrator. |
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Rugged Metal Housing |
The access point is built with a metal case and sturdy features for deployment in rugged environments such as factories, warehouses, and other industrial environments. |
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UL 2043 Plenum Rating and Extended Operating Temperature |
Supports installation in environmental air spaces, such as areas above suspended ceilings. |
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Multipurpose and Lockable Mounting Bracket |
Provides flexibility during site survey and traditional installation as well as helping to deter theft. |
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1Supports 3 2.4-GHz and 21 5-GHz channels in the FCC regulatory domain; channel support varies by country. See Table 2 for frequency band and operating channel support in your particular regulatory domain.
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Summary
Product Specifications
Table 2. Product Specifications for Cisco Aironet 1250 Series Access Points
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Item |
Specification |
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Part Numbers |
Access point platform with pre-installed radio modules: • AIR-AP1252AG-x-K9 802.11a/g/n-draft 2.0 2.4/5-GHz Modular Autonomous AP; 6 RP-TNC
• AIR-AP1252G-x-K9 802.11g/n-draft 2.0 2.4-GHz Modular Autonomous AP; 3 RP-TNC
• AIR-LAP1252AG-x-K9 802.11a/g/n-draft 2.0 2.4/5-GHz Modular Unified AP; 6 RP-TNC
• AIR-LAP1252G-x-K9 802.11g/n-draft 2.0 2.4-GHz Modular Unified AP; 3 RP-TNC
Individual components: • AIR-AP1250= Modular Auto AP Platform (no radio modules); Spare
• AIR-LAP1250= Modular Unified AP Platform (no radio modules); Spare
• AIR-RM1252A-x-K9= 802.11a/n-d2.0 5-GHz Radio Module; 3 RP-TNC
• AIR-RM1252G-x-K9= 802.11g/n-d2.0 2.4-GHz Radio Module; 3 RP-TNC
• AIR-AP1250MNTGKIT= 1250 Series Ceiling, Wall Mount Bracket kit- Spare
Regulatory domains: (x = regulatory domain) • A = FCC
• C = China
• E = ETSI
• I = Israel
• K = Korea
• N =Non-FCC
• P = Japan2
• S = Singapore
• T = Taiwan
Customers are responsible for verifying approval for use in their individual countries. To verify approval and to identify the regulatory domain that corresponds to a particular country, please visit: http://www.cisco.com/go/aironet/compliance. Not all regulatory domains have been approved. As they are approved, the part numbers will be available on the Global Price List. |
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Software |
• Cisco IOS Software Release 12.4(10b)JA or later (Autonomous Mode).
• Cisco IOS Software Release 12.4(10b)JX or later (Unified Mode).
• Cisco Unified Wireless Network Software Release 4.2 or later.
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Draft 802.11n Version 2.0 (and Related) Capabilities |
• 2x3 MIMO with two spatial streams
• Maximal Ratio Combining (MRC)
• Legacy beamforming (hardware supports this capability; not yet enabled in software)
• 20-and 40-MHz channels
• PHY data rates up to 300 Mbps
• Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
• 802.11 DFS (Bin 5)
• Cyclic Shift Diversity (CSD) support
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Data Rates Supported |
802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps |
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802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps |
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802.11n data rates (2.4 GHz and 5 GHz): |
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MCS Index1 |
GI2 = 800ns |
GI = 400ns |
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20-MHz Rate (Mbps) |
40-MHz Rate (Mbps) |
20-MHz Rate (Mbps) |
40-MHz Rate (Mbps) |
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0 |
6.5 |
13.5 |
7.2 |
15 |
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1 |
13 |
27 |
14.4 |
30 |
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2 |
19.5 |
40.5 |
21.7 |
45 |
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3 |
26 |
54 |
28.9 |
60 |
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4 |
39 |
81 |
43.3 |
90 |
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5 |
52 |
108 |
57.8 |
120 |
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6 |
58.5 |
121.5 |
65 |
135 |
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7 |
65 |
135 |
72.2 |
157.5 |
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8 |
13 |
27 |
14.4 |
30 |
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9 |
26 |
54 |
28.9 |
60 |
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10 |
39 |
81 |
43.3 |
90 |
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11 |
52 |
108 |
57.8 |
120 |
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12 |
78 |
162 |
86.7 |
180 |
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13 |
104 |
216 |
115.6 |
240 |
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14 |
117 |
243 |
130 |
270 |
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15 |
130 |
270 |
144.4 |
300 |
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Frequency Band and 20-MHz Operating Channels |
-A (Americas (FCC)): • 2.412 to 2.462 GHz; 11 channels
• 5.180 to 5.320 GHz; 8 channels
• 5.500 to 5.700 GHz, 8 channels (excludes 5.600 to 5.640 GHz)
• 5.745 to 5.825 GHz; 5 channels
-C (China): • 2.412 to 2.472 GHz; 13 channels
• 5.745 to 5.825 GHz; 5 channels
-E (ETSI): • 2.412 to 2.472 GHz; 13 channels
• 5.180 to 5.320 GHz; 8 channels
• 5.500 to 5.700 GHz, 11 channels
-I (Israel): • 2.412 to 2.472 GHz, 13 channels
• 5.180 to 5.320 GHz; 8 channels
-K (Korea): • 2.412 to 2.472 GHz; 13 channels
• 5.180 to 5.320 GHz; 8 channels
• 5.500 to 5.620 GHz, 7 channels
• 5.745 to 5.805 GHz, 4 channels
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-N (Non-FCC): • 2.412 to 2.462 GHz; 11 channels
• 5.180 to 5.320 GHz; 8 channels
• 5.745 to 5.825 GHz; 5 channels
-P (Japan2): • 2.412 to 2.472 GHz; 13 channels
• 5.180 to 5.320 GHz; 8 channels
-S (Singapore): • 2.412 to 2.472 GHz; 13 channels
• 5.180 to 5.320 GHz; 8 channels
• 5.745 to 5.825 GHz; 5 channels
-T (Taiwan): • 2.412 to 2.462 GHz; 11 channels
• 5.280 to 5.320 GHz; 3 channels
• 5.500 to 5.700 GHz, 11 channels
• 5.745 to 5.825 GHz; 5 channels
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Note: This varies by regulatory domain. Refer to the product documentation for specific details for each regulatory domain. |
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Maximum Number of Non-Overlapping Channels |
2.4 GHz • 802.11b/g:
• 20 MHz: 3
• 802.11n:
• 20 MHz: 3
• 40 MHz: 1
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5 GHz • 802.11a:
• 20 MHz: 21
• 802.11n:
• 20 MHz: 21
• 40 MHz: 9
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Note: This varies by regulatory domain-refer to the product documentation for specific details for each regulatory domain. |
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Receive Sensitivity |
802.11a -86 dBm @ 6 Mb/s -85 dBm @ 9 Mb/s -82 dBm @ 12 Mb/s -81 dBm @ 18 Mb/s -80 dBm @ 24 Mb/s -79 dBm @ 36 Mb/s -74 dBm @ 48 Mb/s -73 dBm @ 54 Mb/s |
802.11b -90 dBm @ 1 Mb/s -89 dBm @ 2 Mb/s -87 dBm @ 5.5 Mb/s -85 dBm @ 11 Mb/s |
802.11g -87 dBm @ 6 Mb/s -86 dBm @ 9 Mb/s -83 dBm @ 12 Mb/s -82 dBm @ 18 Mb/s -81 dBm @ 24 Mb/s -80 dBm @ 36 Mb/s -75 dBm @ 48 Mb/s -74 dBm @ 54 Mb/s |
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5-GHz 802.11n (HT20) -85 dBm @ MC0 -84 dBm @ MC1 -83 dBm @ MC2 -82 dBm @ MC3 -79 dBm @ MC4 -74 dBm @ MC5 -73 dBm @ MC6 -72 dBm @ MC7 -85 dBm @ MC8 -84 dBm @ MC9 -83 dBm @ MC10 -82 dBm @ MC11 -79 dBm @ MC12 -74 dBm @ MC13 -73 dBm @ MC14 -72 dBm @ MC15 |
5-GHz 802.11n (HT40) -85 dBm @ MC0 -84 dBm @ MC1 -83 dBm @ MC2 -79 dBm @ MC3 -76 dBm @ MC4 -71 dBm @ MC5 -70 dBm @ MC6 -69 dBm @ MC7 -85 dBm @ MC8 -84 dBm @ MC9 -83 dBm @ MC10 -79 dBm @ MC11 -76 dBm @ MC12 -71 dBm @ MC13 -70 dBm @ MC14 -69 dBm @ MC15 |
2.4-GHz 802.11n (HT20) -86 dBm @ MC0 -85 dBm @ MC1 -84 dBm @ MC2 -83 dBm @ MC3 -80 dBm @ MC4 -75 dBm @ MC5 -74 dBm @ MC6 -73 dBm @ MC7 -86 dBm @ MC8 -85 dBm @ MC9 -84 dBm @ MC10 -83 dBm @ MC11 -80 dBm @ MC12 -75 dBm @ MC13 -74 dBm @ MC14 -73 dBm @ MC15 |
2.4-GHz 802.11n (HT40) -86 dBm @ MC0 -85 dBm @ MC1 -84 dBm @ MC2 -80 dBm @ MC3 -77 dBm @ MC4 -72 dBm @ MC5 -71 dBm @ MC6 -70 dBm @ MC7 -86 dBm @ MC8 -85 dBm @ MC9 -84 dBm @ MC10 -80 dBm @ MC11 -77 dBm @ MC12 -72 dBm @ MC13 -71 dBm @ MC14 -70 dBm @ MC15 |
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Maximum Transmit Power |
2.4GHz • 802.11b
• 23 dBm with 1 antenna
• 802.11g
• 20 dBm with 1 antenna
• 802.11n (HT20)
• 17 dBm with 1 antenna
• 20 dBm with 2 antennas
• 802.11n (HT40)
• 17 dBm with 1 antenna
• 20 dBm with 2 antennas
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